Phaedra Parks is ecstatic about returning to The Real Housewives of Atlanta and is convinced that the cast shake-up will be a game-changer for the show. “We’ve got some new ladies who are absolute firecrackers,” the 50-year-old personality told Page Six following her debut on Season 33 ofDancing With the Stars on Tuesday, September 17. Parks gushed that she had a “wonderful time” reuniting with familiar faces like Porsha Williams, 43, and Cynthia Bailey, 57, after her six-season hiatus from the series. Williams and Bailey are both returning for Season 16 as full-time cast members and “a friend…